iota of the courage those teachers, that principal, and newtown summoned on friday, if cooperation and common sense prevail then i'm convinced we can make a sensible, intelligent way to make the united states of america safer, stronger place for our children to learn and to grow. >> pelley: the president also said he is reflected on his past inaction on gun control and, scott, this new agenda and the tight deadline surrounding it suggests he didn't like what he saw. >> pelley: major, thank you. as you saw, mr. obama was in the white house briefing room, which we were reminded today is named for james brady, the peres secretary previously wounded in the attempt to assassinate president reagan. the gun used in the new town attack was an ar-15 rifle. there are at least three million of them in this country. a little bit later in the broadcast, we'll talk to some of the people who collect them. in newtown today more children and a teacher were laid to rest. elaine quijano has their stories. >> reporter: firefighters from across the northeast came to honor seven-year-old daniel barden.